<template>
  <div class="chat-export" v-loading="loading">
    <div class="chat-box" id="chat-box">
      <div class="title">
        <h2>{{ chatTitle }}</h2>
      </div>

      <div v-for="item in chatData" :key="item.id">
        <chat-prompt v-if="item.type==='prompt'" :data="item" list-style="list"/>
        <chat-reply v-else-if="item.type==='reply'" :data="item" :read-only="true" list-style="list"/>
      </div>
    </div><!-- end chat box -->
  </div>
</template>
<script setup>

import ChatReply from "@/components/ChatReply.vue";
import ChatPrompt from "@/components/ChatPrompt.vue";
import {nextTick, onMounted, ref} from "vue";
import {useRouter} from "vue-router";
import {httpGet} from "@/utils/http";
import 'highlight.js/styles/a11y-dark.css'
import hl from "highlight.js";
import {ElMessage} from "element-plus";
import Clipboard from "clipboard";

const chatData = ref([])
const router = useRouter()
const chatId = router.currentRoute.value.query['chat_id']
const loading = ref(true)
const chatTitle = ref('')

httpGet('/api/chat/history?chat_id=' + chatId).then(res => {
  const data = res.data
  if (!data) {
    loading.value = false
    return
  }

  const md = require('markdown-it')({breaks: true});
  for (let i = 0; i < data.length; i++) {
    if (data[i].type === "prompt") {
      chatData.value.push(data[i]);
      continue;
    } else if (data[i].type === "mj") {
      data[i].content = JSON.parse(data[i].content)
      data[i].content.content = md.render(data[i].content?.content)
      chatData.value.push(data[i]);
      continue;
    }

    data[i].orgContent = data[i].content;
    data[i].content = md.render(data[i].content);
    chatData.value.push(data[i]);
  }

  nextTick(() => {
    hl.configure({ignoreUnescapedHTML: true})
    const blocks = document.querySelector("#chat-box").querySelectorAll('pre code');
    blocks.forEach((block) => {
      hl.highlightElement(block)
    })
  })
  loading.value = false
}).catch(e => {
  ElMessage.error('加载聊天记录失败：' + e.message);
})

httpGet('/api/chat/detail?chat_id=' + chatId).then(res => {
  chatTitle.value = res.data.title
}).catch(e => {
  ElMessage.error("加载会失败： " + e.message)
})

onMounted(() => {
  const clipboard = new Clipboard('.copy-reply');
  clipboard.on('success', () => {
    ElMessage.success('复制成功！');
  })

  clipboard.on('error', () => {
    ElMessage.error('复制失败！');
  })
})
</script>
<style lang="stylus">
.chat-export {
  display flex
  justify-content center
  padding 0 20px

  .chat-box {
    width 100%;
    // 变量定义
    --content-font-size: 16px;
    --content-color: #c1c1c1;

    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    padding: 0 0 50px 0;

    .title {
      text-align center
    }

    .chat-line {
      font-size: 14px;
      display: flex;
      align-items: center;

      .chat-line-inner {
        max-width 800px
      }
    }
  }
}
</style>